<%--
  Created by IntelliJ IDEA.
  User: hasee
  Date: 2021/6/2
  Time: 12:50
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
        <%
            pageContext.setAttribute("key1","pageContext1");
            pageContext.setAttribute("key2","pageContext2");
            request.setAttribute("key1","request1");
            session.setAttribute("key1","session");
            application.setAttribute("key1","application");
        %>
        <%--${key2}--%>
        ${pageScope.key1}
        ${requestScope.key1}

</body>
</html>
